We developed a custom_node for Liveportrait_v2 that enables flexible use on Comfyui to drive animal image-based emoji generation from videos.
https://github.com/VangengLab/ComfyUI-LivePortrait_v2
git clone https://github.com/VangengLab/ComfyUI-LivePortrait_v2
comfy node install ComfyUI-LivePortrait_v2